Evening preference linked to digital addiction in people with bipolar disorder

The bipolar disorder group exhibited significantly higher levels of nomophobia compared to healthy controls (p = 0.036).

• Individuals with an evening chronotype in the bipolar disorder group had higher internet addiction and nomophobia scores than those with a non-evening chronotype (p = 0.008 and p = 0.020, respectively).
• In the bipolar disorder group, chronotype scores were negatively correlated with internet addiction levels (p = 0.027).
• All addiction-related measures in healthy controls were negatively correlated with chronotype scores.
• The relationship between evening chronotype and internet addiction remained significant after controlling for digital use (p = 0.01).

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